#include <stdio.h>

int qiuhe(int x,int y)
{
	return x + y;		
}

void adc(int* x,int *y)
{	
	*x = 4;
	*y = 5;
} 


int main()
{
	int a = 0;
	int b = 0;
	adc(&a,&b);
	
	printf("a = %d\n",a);
	printf("b = %d\n",b);
	
//	int sum = 0;
//	
//	sum = qiuhe(a,b);
//	
//	printf("sum = %d\n",sum);
	

	return 0;
}

